diff --git a/Readme.md b/Readme.md
index 6b8ab60..0811b2a 100644
--- a/Readme.md
+++ b/Readme.md
@@ -19,17 +19,29 @@ export PATH="/home/utopia/.local/bin:$PATH"
 ##  Installer le script
 
 ```
-wget -P $HOME/.local/bin/ https://git.polymny.net/nicolas/utopia-tools/raw/branch/main/check-dcp-long
-chmod +x $HOME/.local/bin/check-dcp-long
+wget -P $HOME/.local/bin/ https://git.polymny.net/nicolas/utopia-tools/raw/branch/main/check-dcpg
+chmod +x $HOME/.local/bin/check-dcp
 ```
 
 
 ## Executer
 
-Exemple :
+## Verification rapide de DCP.
+
+Le script compare uniquement les tailles de fichiers.
+
 ```
-check-dcp-long /data/udcpb/Leo28_XSN-1_F_2K_20240114_SMPTE_OV/
+check-dcp /data/udcpb/Leo28_XSN-1_F_2K_20240114_SMPTE_OV/
 ```
 
 
+## Verification complete de DCP.
+
+
+Verification  totale et longue du DCP. Le scipt vérifie aussi les hash de chaque fichier
+
+```
+check-dcp -t long /data/udcpb/Leo28_XSN-1_F_2K_20240114_SMPTE_OV/
+```
+